[  592.158251] gre: GRE over IPv4 demultiplexer driver
[  592.163065] ip6_gre: GRE over IPv6 tunneling driver
[  592.180060] ip6_tunnel: g1 xmit: Local address not yet configured!
[  592.191955] ip6_tunnel: g1 xmit: Local address not yet configured!
[  592.820602] ip6_tunnel: g2 xmit: Local address not yet configured!
[  592.830709] ip6_tunnel: g2 xmit: Local address not yet configured!